311002117 has 2 divisors, whose sum is σ = 311002118. Its totient is φ = 311002116.

The previous prime is 311002037. The next prime is 311002147. The reversal of 311002117 is 711200113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272052036 + 38950081 = 16494^2 + 6241^2 .

It is a cyclic number.

It is not a de Polignac number, because 311002117 - 2⁷ = 311001989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311002117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311002147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155501058 + 155501059.

It is an arithmetic number, because the mean of its divisors is an integer number (155501059).

Almost surely, 2^311002117 is an apocalyptic number.

It is an amenable number.

311002117 is a deficient number, since it is larger than the sum of its proper divisors (1).

311002117 is an equidigital number, since it uses as much as digits as its factorization.

311002117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 311002117 is about 17635.2521104746. The cubic root of 311002117 is about 677.5184325264.

The spelling of 311002117 in words is "three hundred eleven million, two thousand, one hundred seventeen".